<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<!-- 以下方式定时转到其他页面 -->
<meta http-equiv="refresh" content="3;url=../category"> 
<title>${error}</title>
</head>
<body style="text-align:center">
	<h2>${error}</h2>
</body>
</html>